Overview
Clarifying property tax decisions
Real estate data that drives an accurate evaluation of cost is at the heart of the property market. From appraisers and assessors to lenders, tax services, and insurers, verifying today’s construction costs — and preparing for tomorrow’s — is essential. That’s why for over 90 years, Cotality's Marshall & Swift has been trusted to provide experts with the industry’s most extensive, up-to-date, and objectively validated replacement cost values. We offer residential, commercial, industrial, and agricultural costing data tailored to your industry and customized to your needs.
Trusted and defensible property data
Marshall & Swift’s cost data is rigorously tested and trusted across the U.S. and Canada, written into legislation in 30+ states, ensuring reliable, defensible valuations for all industries.
Triple-validated valuations
Since 1932, Marshall & Swift has used three rigorous validation methods to ensure accurate, consistent valuations, preventing inflated costs and keeping data aligned with construction cost trends.
Reliable and repeatable methodology
Marshall & Swift continuously updates cost data with expert insights and market research, providing consistent, accurate valuations and reliable replacement cost comparisons across the U.S. and Canada.
Trusted and defensible property data
Marshall & Swift’s cost data is rigorously tested and trusted across the U.S. and Canada, written into legislation in 30+ states, ensuring reliable, defensible valuations for all industries.
Triple-validated valuations
Since 1932, Marshall & Swift has used three rigorous validation methods to ensure accurate, consistent valuations, preventing inflated costs and keeping data aligned with construction cost trends.
Reliable and repeatable methodology
Marshall & Swift continuously updates cost data with expert insights and market research, providing consistent, accurate valuations and reliable replacement cost comparisons across the U.S. and Canada.
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40-60%
property tax appeals lead to reduced assessments, underscoring the need for accurate property valuations, according to studies
↑45%
jump in home prices since 2020, making accurate replacement costs essential for valuations in fast-changing markets
↑18%
price surge in U.S. house prices in 2021, highlighting the importance of Marshall & Swift's cost approach for accurate valuations in changing markets
FAQ
What industries does Marshall & Swift property data serve?
We serve a wide range of industries, but some of our major markets include: Assessors and government (state, county, city) agencies; appraisal insurance, accounting, and legal tax consulting; construction, developers, and builders; banking and financial.
How often are the Marshall & Swift costs updated?
Our costing data is continually researched. Depending on the Marshall & Swift product you choose, you’ll see costs updated monthly, quarterly, or annually.
What if I need only an individual replacement cost for a real estate appraisal?
Swift Estimator offers a pay-as-you-go model that is available online, so you can access exactly the number of data pulls you need when you need them.
